Zeta Ophiuchi Nebula
Technical information
| Date & time | 2019 June 4th/5th 23:43 ~ 04:21 WEST |
| Location | La Palma, Spain |
| Optics | Takahashi Epsilon 130D |
| Camera | Nikon D810A |
| Mount | iOptron CEM25P |
| Tripod | Avalon T-Pod 90 |
| Guider | Lacerta MGEN II Lacerta M54 OAG for Nikon |
| Exposure | 27 x 10 minutes 430 mm, f/3.3, ISO 400 4 hours 30 minutes total |
| Calibration | 40 bias frames 32 flat frames |
| Processing | DeepSkyStacker: calibrate, align, stack Adobe Photoshop CC: subtract skylight, ACR filter |
| Original resolution | 7284 x 4784 pixels |
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